Commit Graph

337 Commits

Author SHA1 Message Date
Thomas Schwinge cf35638d43 2010-09-24 Thomas Schwinge <thomas@codesourcery.com>
* elf32-arm.c, elf32-cris.c, elf32-hppa.c, elf32-i370.c, elf32-m32r.c,
	elf32-m68k.c, elf32-microblaze.c, elf32-ppc.c, elf32-score.c,
	elf32-score7.c, elf32-sh.c, elf32-vax.c, elf32-xtensa.c, elf64-alpha.c,
	elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-sparc.c, elfcode.h,
	elflink.c, elfxx-ia64.c, elfxx-mips.c: Use STN_UNDEF when referring to
	the zero symbol index.
2010-09-24 12:14:26 +00:00
H.J. Lu ae95ffa628 Add target_id to elf_backend_data.
2010-08-25  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/11944
	* elf-bfd.h (elf_backend_data): Add target_id.
	(bfd_elf_make_generic_object): Renamed to ...
	(bfd_elf_make_object): This.

	* elf.c (bfd_elf_make_generic_object): Removed.
	(bfd_elf_make_object): New.
	(bfd_elf_mkcorefile): Really treat it as an object file.

	* elf-m10300.c (ELF_TARGET_ID): New.
	* elf32-arm.c (ELF_TARGET_ID): Likewise.
	* elf32-bfin.c (ELF_TARGET_ID): Likewise.
	* elf32-cris.c (ELF_TARGET_ID): Likewise.
	* elf32-frv.c (ELF_TARGET_ID): Likewise.
	* elf32-i386.c (ELF_TARGET_ID): Likewise.
	* elf32-lm32.c (ELF_TARGET_ID): Likewise.
	* elf32-m32r.c (ELF_TARGET_ID): Likewise.
	* elf32-m68hc11.c (ELF_TARGET_ID): Likewise.
	* elf32-m68hc12.c (ELF_TARGET_ID): Likewise.
	* elf32-m68k.c (ELF_TARGET_ID): Likewise.
	* elf32-microblaze.c (ELF_TARGET_ID): Likewise.
	* elf32-ppc.c (ELF_TARGET_ID): Likewise.
	* elf32-s390.c (ELF_TARGET_ID): Likewise.
	* elf32-sh.c (ELF_TARGET_ID): Likewise.
	* elf32-sparc.c (ELF_TARGET_ID): Likewise.
	* elf32-spu.c (ELF_TARGET_ID): Likewise.
	* elf32-tic6x.c (ELF_TARGET_ID): Likewise.
	* elf32-xtensa.c (ELF_TARGET_ID): Likewise.
	* elf64-alpha.c (ELF_TARGET_ID): Likewise.
	* elf64-hppa.c (ELF_TARGET_ID): Likewise.
	* elf64-ppc.c (ELF_TARGET_ID): Likewise.
	* elf64-s390.c (ELF_TARGET_ID): Likewise.
	* elf64-x86-64.c (ELF_TARGET_ID): Likewise.
	* elfxx-ia64.c (ELF_TARGET_ID): Likewise.

	* elf32-hppa.c (elf32_hppa_mkobject): Removed.
	(bfd_elf32_mkobject): Likewise.
	(ELF_TARGET_ID): New.

	* elf32-mips.c (ELF_TARGET_ID): New.
	(bfd_elf32_mkobject): Removed.

	* elf64-mips.c (ELF_TARGET_ID): New.
	(bfd_elf64_mkobject): Removed.

	* elfn32-mips.c (ELF_TARGET_ID): New.
	(bfd_elf32_mkobject): Removed.

	* elfxx-mips.c (_bfd_mips_elf_mkobject): Removed.
	* elfxx-mips.h (_bfd_mips_elf_mkobject): Likewise.

	* elfxx-target.h (bfd_elfNN_mkobject): Default to
	bfd_elf_make_object.
	(ELF_TARGET_ID): New.  Default to GENERIC_ELF_DATA.
	(elfNN_bed): Initialize target_id.
2010-08-25 14:53:45 +00:00
Pedro Alves 261b8d0859 2010-08-18 Pedro Alves <pedro@codesourcery.com>
PR corefile/8210

	bfd/
	* bfd-in2.h: Regenerate.
	* corefile.c (bfd_core_file_pid): New.

	* targets.c (BFD_JUMP_TABLE_CORE): Add NAME##_core_file_pid.
	(struct bfd_target) <_core_file_pid>: New.

	* libbfd-in.h (_bfd_nocore_core_file_pid): Declare.
	* libbfd.c (_bfd_nocore_core_file_pid): New.

	* elf-bfd.h (bfd_elf32_core_file_pid, bfd_elf64_core_file_pid):
	Declare.
	* elfcode.h (elf_core_file_pid): New define.
	* elfcore.h (elf_core_file_pid): New function.

	* elf.c (elfcore_make_pid): Rewrite.
	(elfcore_grok_prstatus): Only set core_pid if not set yet.
	(elfcore_grok_prstatus) [!HAVE_PRSTATUS_T_PR_WHO]: Fallback to
	getting the lwpid from prstat.pr_pid.

	* elf64-x86-64.c (elf64_x86_64_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	(elf64_x86_64_grok_psinfo): Extract the the main process's PID,
	and store it in elf_tdata's core_pid field.
	* elf32-i386.c (elf_i386_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	(elf_i386_grok_psinfo): Extract the the main process's PID, and
	store it in elf_tdata's core_pid field.

	* elf32-am33lin.c (elf32_am33lin_grok_prstatus): Write the LWPID
	to elf_tdata's core_lwpid instead of to core_pid.
	* elf32-arm.c (elf32_arm_nabi_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-cris.c (cris_elf_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-frv.c (elf32_frv_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-hppa.c (elf32_hppa_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-mips.c (elf32_mips_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-ppc.c (ppc_elf_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-s390.c (elf_s390_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-score.c (s3_bfd_score_elf_grok_prstatus): Write the LWPID
	to elf_tdata's core_lwpid instead of to core_pid.
	* elf32-score7.c (s7_bfd_score_elf_grok_prstatus): Write the LWPID
	to elf_tdata's core_lwpid instead of to core_pid.
	* elf32-sh.c (elf32_shlin_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf32-xtensa.c (elf_xtensa_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf64-hppa.c (elf64_hppa_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf64-mips.c (elf64_mips_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elf64-ppc.c (ppc64_elf_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.
	* elfn32-mips.c (elf32_mips_grok_prstatus): Write the LWPID to
	elf_tdata's core_lwpid instead of to core_pid.

	* plugin.c (bfd_plugin_core_file_pid): New function.
	* aout-target.h (MY_core_file_pid): Define.
	* aout-tic30.c (MY_core_file_pid, MY_core_file_p): New defines.
	* coff-rs6000.c (coff_core_file_pid): New define.
	(rs6000coff_vec, pmac_xcoff_vec): Use BFD_JUMP_TABLE_CORE.
	* coff64-rs6000.c (coff_core_file_pid): New define.
	(rs6000coff64_vec): Use BFD_JUMP_TABLE_CORE.
	(xcoff64_core_file_pid): New define.
	(aix5coff64_vec): Use BFD_JUMP_TABLE_CORE.
	* mach-o-target.c (bfd_mach_o_core_file_pid): New define.
	* aix386-core.c (aix386_core_file_pid): New define.
	* hppabsd-core.c (hppabsd_core_core_file_pid): New define.
	* hpux-core.c (hpux_core_core_file_pid): New define.
	* irix-core.c (irix_core_core_file_pid): New define.
	* lynx-core.c (lynx_core_file_pid): New define.
	* osf-core.c (osf_core_core_file_pid): New define.
	* ptrace-core.c (ptrace_unix_core_file_pid): New define.
	* sco5-core.c (sco5_core_file_pid): New define.
	* xcoff-target.h (coff_core_file_pid): New define.
	* netbsd-core.c (netbsd_core_core_file_pid): New define.

gdb/
2010-08-18  Pedro Alves  <pedro@codesourcery.com>

	PR corefile/8210

	gdb/
	* corelow.c (add_to_thread_list): Don't use
	gdbarch_core_reg_section_encodes_pid.  Use bfd_core_file_pid.
	(get_core_register_section): Don't use
	gdbarch_core_reg_section_encodes_pid.

	* gdbarch.sh (core_reg_section_encodes_pid): Delete.
	* gdbarch.h, gdbarch.c: Regenerate.
	* amd64-sol2-tdep.c (amd64_sol2_init_abi): Don't set
	gdbarch_core_reg_section_encodes_pid.
	* i386-sol2-tdep.c (i386_sol2_init_abi): Ditto.
	* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Ditto.
	* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Ditto.
2010-08-18 12:24:13 +00:00
Alan Modra d983b7a0c3 * elf64-ppc.c (ha_reloc_match): Allow matches to other than r2.
(ppc64_elf_relocate_section): Nop out high part insn of large toc
	code sequence when the high part of offset is zero.
2010-08-05 14:37:30 +00:00
Alan Modra d62b368413 * elf64-ppc.c (ppc64_elf_edit_toc): Always adjust local syms in
.toc section, even when none are used in relocs.
2010-07-29 07:35:58 +00:00
Alan Modra 726d3ab069 * elf64-ppc.c (ppc64_elf_edit_toc): Use SYMBOL_CALLS_LOCAL rather
than SYMBOL_REFERENCES_LOCAL.
	(ppc64_elf_relocate_section): Likewise.
2010-07-01 09:48:26 +00:00
Alan Modra bddc25c9ca * elf64-ppc.c (ppc64_elf_edit_toc): Keep toc entries for ifuncs. 2010-07-01 04:12:29 +00:00
Alan Modra 6bee8834bf * elf64-ppc.c (get_tls_mask): Don't segfault on NULL elf_section_data.
(group_sections): Likewise.
2010-06-27 08:37:22 +00:00
Alan Modra c7e2358a88 fix set but unused variable warnings 2010-06-27 04:07:55 +00:00
Alan Modra ba761f19f5 include/elf/
* ppc64.h (R_PPC64_LO_DS_OPT): Define.
bfd/
	* elf64-ppc.c (toc_skip_enum): Define.
	(ppc64_elf_edit_toc): Use two low bits of skip array as markers.
	Optimize largetoc sequences.
	(adjust_toc_syms): Update for skip array change.
	(ppc64_elf_relocate_section): Handle R_PPC64_LO_DS_OPT.
ld/
	* emultempl/ppc64elf.em (prelim_size_sections): New function.
	(ppc_before_allocation): Use it.  Size sections before toc edit too.
2010-06-25 05:20:57 +00:00
Alan Modra 854b41e7c1 * elf64-ppc.c (is_static_defined): New function.
(get_tls_mask, ppc_type_of_stub): Use it here.
	(ppc64_elf_edit_opd): Ensure we only attempt to edit ppc64 input.
	(ppc64_elf_tls_setup): Typo fix.
	(adjust_toc_syms): Correctly handle symbols defined past the end
	of the toc.  Move syms on removed entries to next entry rather
	than to start of toc.
	(ppc64_elf_edit_toc): Likewise.  Ensure we only attempt to
	edit ppc64 input.  Allocate one extra word in skip array.
	Honour info->keep_memory when reading relocs if we can.
	Adjust toc relocs after adjusting symbols.
2010-06-25 03:46:04 +00:00
Alan Modra 727ac201d4 * elf64-ppc.c (ppc64_elf_relocate_section): Correct NOP location
when optimizing high got_tlsgd/ld insns.
2010-04-13 04:05:29 +00:00
Alan Modra 9d6ded02f6 * elf64-ppc.c (ppc64_elf_relocate_section): Nop out optimized
TPREL16_HI and TPREL16_HA insns.
2010-03-31 07:53:40 +00:00
Alan Modra 6abec6bce3 PR ld/11375
* elf64-ppc.c (ppc64_elf_relocate_section): Always look up a
	possible stub on branches.
2010-03-26 00:35:57 +00:00
Alan Modra 67f0cbdb6a * elf64-ppc.c (struct ppc_link_hash_table): Add do_toc_opt.
(ppc64_elf_edit_toc): Set it here.
	(ha_reloc_match): New function.
	(ppc64_elf_relocate_section): Optimize bigtoc insn sequences.
2010-03-16 00:40:36 +00:00
Alan Modra 1bbe090216 * elf64-ppc.c (ppc64_elf_has_small_toc_reloc): New function.
* elf64-ppc.h (ppc64_elf_has_small_toc_reloc): Declare.
2010-03-15 01:59:57 +00:00
Alan Modra 70cc837dbe bfd/
PR ld/11378
	* elf64-ppc.h (ppc64_elf_check_init_fini): Declare.
	* elf64-ppc.c (call_check_done): Define.
	(ppc64_elf_add_symbol_hook): Substitute bfd_get_section_name macro.
	(ppc64_elf_check_relocs, ppc64_elf_size_dynamic_sections): Likewise.
	(ppc64_elf_finish_multitoc_partition): Remove unnecessary check.
	(toc_adjusting_stub_needed): Use call_check_done rather than toc_off.
	Simplify return logic.  Iterate over all .init and .fini fragments
	by recursion.  Set makes_toc_func_call here..
	(ppc64_elf_next_input_section): ..rather than here.
	(check_pasted_section, ppc64_elf_check_init_fini): New functions.
ld/
	PR ld/11378
	* emultempl/ppc64elf.em (gld${EMULATION_NAME}_after_allocation): Call
	ppc64_elf_check_init_fini and warn if .init/.fini use different TOCs.
2010-03-14 07:05:36 +00:00
Alan Modra 7b8f66752f PR ld/11375
* elf64-ppc.c (ppc_type_of_stub): Always set *hash to the
	function descriptor symbol if there is one, not just for plt stubs.
	(ppc64_elf_relocate_section): Use fdh on all ppc_get_stub_entry calls.
2010-03-12 22:31:16 +00:00
H.J. Lu c16153aed7 Don't set ELFOSABI_LINUX in dynamic ifunc-using executable.
bfd/

2010-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_add_symbol_hook): Don't set
	has_ifunc_symbols if the symbol comes from a shared library.
	* elf32-ppc.c (ppc_elf_add_symbol_hook): Likewise.
	* elf32-sparc.c (elf32_sparc_add_symbol_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_add_symbol_hook): Likewise.
	* elf64-sparc.c (elf64_sparc_add_symbol_hook): Likewise.
	* elf64-x86-64.c (elf64_x86_64_add_symbol_hook): Likewise.

ld/testsuite/

2010-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-ifunc/ifunc.exp: Expect System V OSABI in dynamic
	ifunc-using executable.
2010-02-19 05:07:50 +00:00
Alan Modra 7865406bd6 * elf64-ppc.c (merge_got_entries): Move earlier in file.
(allocate_dynrelocs): Merge got entries here if not doing multi-toc.
	(ppc64_elf_size_dynamic_sections): Similarly merge tlsld_got.
	(ppc64_elf_layout_multitoc): Don't resize if we have already
	merged got entries.
2010-02-09 12:31:01 +00:00
Alan Modra d77c8a4bbe * elf64-ppc.c (has_small_toc_reloc): Don't define.
(makes_toc_func_call, call_check_in_progress): Shuffle flags.
	(struct ppc64_elf_obj_tdata): Add has_small_toc_reloc.  Update
	code setting the flag.
	(ppc64_elf_next_toc_section): Group big-toc sections in
	0x80008000 chunks.
2010-02-09 12:08:19 +00:00
Alan Modra d0fae19df2 * elf64-ppc.c (ppc64_elf_layout_multitoc): Don't merge local got ents. 2010-02-09 11:54:52 +00:00
Alan Modra f961d9dde2 * elf64-ppc.c (struct got_entry): Make tls_type and is_indirect
unsigned char.  Update variables and code using them throughout file.
	(struct ppc_link_hash_entry): Likewise for tls_mask.
2010-02-09 11:35:37 +00:00
Alan Modra 0b8bcf0ddb * elf64-ppc.c (allocate_dynrelocs): Remove unused got structs here..
(ppc64_elf_size_dynamic_sections): ..and here..
	(merge_got_entries): ..rather than here.
2010-02-08 14:09:25 +00:00
Alan Modra 33c0ec9de7 bfd/
* elf64-ppc.c (struct ppc_link_hash_table): Add do_multi_toc.
	(has_small_toc_reloc): Define.
	(ppc64_elf_check_relocs): Set the above flags.
	(ppc64_elf_edit_opd): Delete obfd param.
	(ppc64_elf_tls_optimize): Likewise.
	(ppc64_elf_edit_toc): Likewise.
	(ppc64_elf_tls_setup): Likewise.  Add no_multi_toc param.
	* elf64-ppc.h: Update prototypes.
ld/
	* emultempl/ppc64elf.em (ppc_before_allocation): Update for changed
	function parameters.
2010-02-08 13:50:17 +00:00
Alan Modra b0dddeecc9 * section.c (struct bfd_section): Delete has_tls_reloc,
has_tls_get_addr_call, has_gp_reloc, need_finalize_relax, reloc_done.
	Add sec_flg0 thru sec_flg5.
	(BFD_FAKE_SECTION): Update for changed flags.
	* ecoff.c (bfd_debug_section): Likewise.
	* elf32-ppc.c (has_tls_reloc, has_tls_get_addr_call): Define.
	* elf64-ppc.c (has_tls_reloc, has_tls_get_addr_call): Define.
	(has_toc_reloc, makes_toc_func_call, call_check_in_progress): Update.
	* elf32-xtensa.c (reloc_done): Define.
	* elfxx-ia64.c (skip_relax_pass_0, skip_relax_pass_1): Update.
	* bfd-in2.h: Regenerate.
2010-02-08 13:16:24 +00:00
Nick Clifton 4dfe6ac6fe * elf-bfd.h (emum elf_object_id): Rename to elf_target_id. Add
entries for other architectures.
        (struct elf_link_hash_table): Add hash_table_id field.
        (elf_hash_table_id): New accessor macro.
        * elflink.c (_bfd_elf_link_hash_table_init): Add target_id
        parameter.
        * elf-m10300.c (elf32_mn10300_hash_table): Check table id before
        returning cast pointer.
        (elf32_mn10300_link_hash_table_create): Identify new table as
        containing MN10300 extensions.
        (mn10300_elf_relax_section): Check pointer returned by
        elf32_mn10300_hash_table.
        * elf32-arm.c: Likewise, except using ARM extensions.
        * elf32-avr.c: Likewise, except using AVR extensions.
        * elf32-bfin.c: Likewise, except using BFIN extensions.
        * elf32-cris.c: Likewise, except using CRIS extensions.
        * elf32-frv.c: Likewise, except using FRV extensions.
        * elf32-hppa.c: Likewise, except using HPPA32 extensions.
        * elf32-i386.c: Likewise, except using I386 extensions.
        * elf32-lm32.c: Likewise, except using LM32 extensions.
        * elf32-m32r.c: Likewise, except using M32RM extensions.
        * elf32-m68hc11.c: Likewise, except using M68HC11 extensions.
        * elf32-m68hc1x.c: Likewise, except using M68HC11 extensions.
        * elf32-m68hc1x.h: Likewise, except using M68HC11 extensions.
        * elf32-m68k.c: Likewise, except using M68K extensions.
        * elf32-microblaze.c: Likewise, except using MICROBLAZE extensions.
        * elf32-ppc.c: Likewise, except using PPC32 extensions.
        * elf32-s390.c: Likewise, except using S390 extensions.
        * elf32-sh.c: Likewise, except using SH extensions.
        * elf32-spu.c: Likewise, except using SPU extensions.
        * elf32-xtensa.c: Likewise, except using XTENSA extensions.
        * elf64-alpha.c: Likewise, except using ALPHA extensions.
        * elf64-hppa.c: Likewise, except using HPPA64 extensions.
        * elf64-ppc.c: Likewise, except using PPC64 extensions.
        * elf64-s390.c: Likewise, except using S390 extensions.
        * elf64-x86-64.c: Likewise, except using X86_64 extensions.
        * elfxx-ia64.c: Likewise, except using IA64 extensions.
        * elfxx-mips.c: Likewise, except using MIPS extensions.
        * elfxx-sparc.c: Likewise, except using SPARC extensions.
        * elfxx-sparc.h: Likewise, except using SPARC extensions.
        * elf32-cr16.c (struct elf32_cr16_link_hash_table): Delete
        redundant structure.
        (elf32_cr16_hash_table): Delete unused macro.
        (elf32_cr16_link_hash_traverse): Delete unused macro.
        * elf32-score.c: Likewise.
        * elf32-score7.c: Likewise.
        * elf32-vax.c: Likewise.
        * elf64-sh64.c: Likewise.

        * emultempl/alphaelf.em: Update value expected from elf_object_id.
        * emultempl/hppaelf.em: Likewise.
        * emultempl/mipself.em: Likewise.
        * emultempl/ppc32elf.em: Likewise.
        * emultempl/ppc64elf.em: Likewise.
2010-02-04 09:16:43 +00:00
Alan Modra 927be08ec8 bfd/
* elf64-ppc.c (struct plt_entry): Move earlier in file.
	(struct got_entry): Likewise.  Add is_indirect and got.ent fields.
	(struct ppc64_elf_obj_tdata): Change tlsld_got to be a struct got_entry.
	Update all uses.
	(struct ppc_link_hash_table): Add got_reli_size and second_toc_pass.
	Remove no_multi_toc.
	(update_local_sym_info, ppc64_elf_check_relocs): Clear is_indirect
	when allocating a new struct got_entry.
	(allocate_got): New function, extracted from..
	(allocate_dynrelocs): ..here.  Abort on got entry in non-ppc64 bfd.
	(ppc64_elf_size_dynamic_sections): Track got relocs allocated in
	.reliplt by got_reli_size.  Set owner on ppc64_tlsld_got entries.
	(ppc64_elf_setup_section_lists): Remove output_bfd param and
	no_multi_toc, add add_stub_section and layout_sections_again.  Stash
	new params in htab.  Extract some code to..
	(ppc64_elf_start_multitoc_partition): ..here.  New function.
	(ppc64_elf_next_toc_section): Check for linker script errors.  Handle
	second pass toc scan.
	(merge_got_entries, merge_global_got, reallocate_got): New functions.
	(ppc64_elf_reinit_toc): Rename to..
	(ppc64_elf_finish_multitoc_partition): ..this.
	(ppc64_elf_layout_multitoc): New function.
	(ppc64_elf_size_stubs): Delete output_bfd, add_stub_section and
	layout_sections_again params.
	(ppc64_elf_relocate_section): Handle indirect got entries.
	* elf64-ppc.h: Update prototypes.  Declare new functions.
ld/
	* emultempl/ppc64elf.em (build_toc_list): Report errors from
	ppc64_elf_next_toc_section.
	(after_allocation): Update for changed function names and params.
	Run second pass of multitoc partitioning.
2010-02-03 12:03:35 +00:00
Alan Modra bf102f86b1 PR ld/11217
* elf64-ppc.c (struct ppc_link_hash_table): Add toc_bfd, toc_first_sec.
	(ppc64_elf_setup_section_lists): Init them.
	(ppc64_elf_next_toc_section): Don't partition multi-toc between .got
	and .toc on the same input file.
	(ppc64_elf_relocate_section): Correct GOT entry offset.
2010-01-27 12:44:07 +00:00
Alan Modra 766bc6567a PR ld/11217
* elf64-ppc.c (ppc64_elf_tls_optimize): Optimize tls sequences
	with relocations against undefined weak symbols.
	(ppc64_elf_relocate_section): Don't optimize calls to undefined
	weak functions if the symbol is dynamic.
	(ppc64_elf_relocate_section): Edit tprel tls sequences.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	(_bfd_elf_ppc_at_tprel_transform): New function.
	* bfd-in.h (_bfd_elf_ppc_at_tprel_transform): Declare.
	* bfd-in2.h: Regenerate.
2010-01-25 06:47:16 +00:00
Alan Modra fb34365b48 PR ld/11133
* elf32-cr16.c (elf32_cr16_gc_mark_hook): Call _bfd_elf_gc_mark_hook.
	* elf32-microblaze.c (microblaze_elf_gc_mark_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_gc_mark_hook): Likewise.
2010-01-08 05:55:10 +00:00
Alan Modra 32ca96409d * elf64-ppc.c: Delete my email address. 2009-12-21 10:21:01 +00:00
Alan Modra 7c6c17221f PR ld/11088
* elf64-ppc.c (ppc64_elf_gc_sweep_hook): Don't abort if symbol
	hiding has nulled out plt.plist.
2009-12-17 00:07:38 +00:00
Nick Clifton 91d6fa6a03 Add -Wshadow to the gcc command line options used when compiling the binutils.
Fix up all warnings generated by the addition of this switch.
2009-12-11 13:42:17 +00:00
Alan Modra f58d5a2ddf PR ld/11047
* elf32-ppc.c (ppc_elf_relocate_section): Delete __tls_get_addr
	symbol reference from relocs belonging to calls that are
	optimized away.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
2009-12-03 08:31:29 +00:00
Alan Modra 2d0f389600 bfd/
* bfd-in.h (_bfd_elf_ppc_at_tls_transform): Declare.
	* bfd-in2.h: Regenerate.
	* elf64-ppc.c (ppc64_elf_relocate_section): Move code for R_PPC64_TLS
	insn optimisation to..
	* elf32-ppc.c (_bfd_elf_ppc_at_tls_transform): ..here.  New function.
	(ppc_elf_relocate_section): Use it.
gas/
	* config/tc-ppc.c (md_assemble): Report error on invalid @tls operands
	and opcode.
2009-11-18 12:42:52 +00:00
Alan Modra a7f2871e66 include/elf/
* ppc.h (DT_PPC_TLSOPT): Define.
	* ppc64.h (DT_PPC64_TLSOPT): Define.
bfd/
	* elf32-ppc.c (TLS_GET_ADDR_GLINK_SIZE): Define.
	(ADD_3_12_2, BEQLR, CMPWI_11_0, LWZ_11_3, LWZ_12_3): Define.
	(MR_0_3, MR_3_0): Define.
	(struct ppc_elf_link_hash_table): Add no_tls_get_addr_opt.
	(ppc_elf_select_plt_layout): Save emit_stub_syms param earlier.
	(ppc_elf_tls_setup): Add no_tls_get_addr_opt param and save to hash
	table.  Check for presense of __tls_get_addr_opt
	(allocate_dynrelocs): Increase glink entry size for __tls_get_addr.
	(ppc_elf_size_dynamic_sections): Add DT_PPC_TLS_OPT tag.
	(write_glink_stub): Add param p.
	(ppc_elf_relocate_section): Adjust write_glink_stub call.
	(ppc_elf_finish_dynamic_symbol): Emit special glink call stub for
	__tls_get_addr.
	* elf32-ppc.h (ppc_elf_tls_setup): Update prototype.
	* elf64-ppc.c (struct ppc_link_hash_table): Add no_tls_get_addr_opt.
	(ppc64_elf_tls_setup): Add no_tls_get_addr_opt param and save to hash
	table.  Check for presense of __tls_get_addr_opt.
	(ppc64_elf_size_dynamic_sections): Add DT_PPC64_TLS_OPT tag.
	(LD_R11_0R3, LD_R12_0R3, MR_R0_R3, CMPDI_R11_0, ADD_R3_R12_R13,
	BEQLR, MR_R3_R0, MFLR_R11, STD_R11_0R1, BCTRL, LD_R11_0R1,
	LD_R2_0R1, MTLR_R11): Define.
	(build_tls_get_addr_stub): New function.
	(ppc_build_one_stub): Call it.
	(ppc_size_one_stub): Add extra size for __tls_get_addr stub.
	(ppc64_elf_relocate_section): Don't change nop to ld 2,40(1) for
	__tls_get_addr plt call.
	* elf64-ppc.h (ppc64_elf_tls_setup): Update prototype.
binutils/
	* readelf.c (get_ppc_dynamic_type): Add TLSOPT.
	(get_ppc64_dynamic_type): Likewise.
ld/
	* emultempl/ppc32elf.em (no_tls_get_addr_opt): New var.
	(ppc_before_allocation): Pass to ppc_elf_tls_setup.
	(OPTION_NO_TLS_GET_ADDR_OPT): Define.  Redefine other options in
	terms of previous option.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add
	--no-tls-get-addr-optimize.
	(PARSE_AND_LIST_ARGS_CASES): Handle it.
	* emultempl/ppc64elf.em (no_tls_get_addr_opt): New var.
	(ppc_before_allocation): Pass to ppc64_elf_tls_setup.
	(OPTION_NO_TLS_GET_ADDR_OPT): Define.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add
	--no-tls-get-addr-optimize.
	(PARSE_AND_LIST_ARGS_CASES): Handle it.
ld/testsuite/
	* ld-powerpc/tlslib.s: Delete dot-symbol entry syms.  Add
	__tls_get_addr_opt.
	* ld-powerpc/tlslib32.s: Add __tls_get_addr_opt.
	* ld-powerpc/oldtlslib.s: New file, old-abi version of tlslib.s.
	* ld-powerpc/powerpc.exp: Build old-abi library and use it in
	two new link tests.
	* ld-powerpc/tlsexe.d: Update for new __tls_get_addr stub.
	* ld-powerpc/tlsexe.g, * ld-powerpc/tlsexe.r, *ld-powerpc/tlsexe32.d,
	* ld-powerpc/tlsexe32.g, * ld-powerpc/tlsexe32.r,
	* ld-powerpc/tlsexetoc.d, * ld-powerpc/tlsexetoc.g,
	* ld-powerpc/tlsexetoc.r: Likewise.
2009-09-21 11:51:02 +00:00
Alan Modra b31867b61a bfd/
* elf64-ppc.c (follow_link, elf_follow_link, ppc_follow_link): New
	functions.  Use throughout.
	(ppc64_elf_copy_indirect_symbol): Set direct symbol "oh" field
	from indirect symbol.
	(lookup_fdh): Rename from get_fdh.  Follow indirect sym links.
	(add_symbol_adjust): Simplify.
	(defined_code_entry, defined_func_desc): New functions.
	(ppc64_elf_gc_keep): Follow indirect sym links.  Use defined_code_entry.
	(ppc64_elf_gc_mark_dynamic_ref): Use defined_func_desc and
	defined_code_entry to follow indirect sym links.
	(ppc64_elf_gc_mark_hook, func_desc_adjust): Likewise.
	(ppc_type_of_stub): Follow indirect sym links.
	(toc_adjusting_stub_needed): Likewise.
	(ppc_build_one_stub): Likewise.  Make undefined dot-symbols weak
	rather than defining them at stub.
	(ppc64_elf_relocate_section): Rewrite call test to avoid multiple
	assignments in test.
ld/testsuite/
	* ld-powerpc/tlsso.d: Update.
	* ld-powerpc/tlsso.r: Update.
	* ld-powerpc/tlstocso.d: Update.
	* ld-powerpc/tlstocso.r: Update.
2009-09-18 03:30:34 +00:00
Alan Modra 25f231068e * elf32-ppc.c (ppc_elf_check_relocs): Always set up sections
used by indirect function support.  Count dynamic relocs for
	ifunc syms.
	(ppc_elf_adjust_dynamic_symbol): Tweak for ifunc.
	(allocate_dynrelocs): Allocate all non-dynamic ifunc plt entries
	in iplt and their relocs in reliplt.  Don't make ifunc syms
	dynamic.  Allocate got entry relocs for non-dynamic ifunc in
	reliplt.  Handle other dynamic relocs for ifunc.
	(ppc_elf_size_dynamic_sections): Alloc dyn relocs for static
	ifunc in reliplt, likewise relocs for got against local ifunc.
	Typo fix on reliplt size adjust.
	(ppc_elf_relocate_section): Don't use plt scheme of allocating
	relocs 1-1 with entries for iplt, instead just add using
	reloc_count.  Write got relocs and dyn relocs for ifunc to reliplt.
	Error on invalid ifunc dyn relocs.
	(ppc_elf_finish_dynamic_symbol): Adjust for non-dynamic ifunc plt
	in iplt/reliplt.
	* elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_JMP_IREL,
	R_PPC64_REL16, R_PPC64_REL16_LO, R_PPC64_REL16_HI, R_PPC64_REL16_HA.
	(ppc64_elf_reloc_type_lookup): Handle new relocs.
	(ppc64_elf_check_relocs): Likewise.  Count dyn relocs for ifunc.
	(allocate_dynrelocs): As for elf32-ppc.c above.
	(ppc64_elf_size_dynamic_sections): Likewise.
	(ppc_build_one_stub): Put non-dynamic ifunc plt call stubs in iplt,
	and their relocs in reliplt.  Use R_PPC64_JMP_IREL.
	(ppc_size_one_stub): Similarly.
	(ppc64_elf_relocate_section): As for elf32-ppc.c above.  Handle new
	relocs too.
	(ppc64_elf_finish_dynamic_symbol): As for elf32-ppc.c above.
2009-07-29 14:56:38 +00:00
Alan Modra e054468f6c STT_GNU_IFUNC support for PowerPC. 2009-07-10 12:19:58 +00:00
Alan Modra 983bddc852 * elf64-ppc.c (ppc64_elf_edit_opd): Avoid gcc warning. 2009-06-22 00:00:32 +00:00
Alan Modra 87d72d41b0 * elf-bfd.h (struct sym_sec_cache): Delete.
(struct sym_cache): New.
	(bfd_section_from_r_symndx): Delete prototype.
	(bfd_sym_from_r_symndx): Define prototype.
	* elf.c (bfd_section_from_r_symndx): Delete, replace with..
	(bfd_sym_from_r_symndx): ..new function.
	* elf32-arm.c: Update all uses of struct sym_sec_cache and
	bfd_section_from_r_symndx to new struct and function.
	* elf32-bfin.c: Likewise.
	* elf32-hppa.c: Likewise.
	* elf32-i386.c: Likewise.
	* elf32-m32r.c: Likewise.
	* elf32-m68hc1x.c: Likewise.
	* elf32-m68hc1x.h: Likewise.
	* elf32-m68k.c: Likewise.
	* elf32-ppc.c: Likewise.
	* elf32-s390.c: Likewise.
	* elf32-sh.c: Likewise.
	* elf64-ppc.c: Likewise.
	* elf64-s390.c: Likewise.
	* elf64-x86-64.c: Likewise.
	* elfxx-sparc.c: Likewise.
	* elfxx-sparc.h: Likewise.
2009-06-18 14:18:29 +00:00
Alan Modra 6e0b88f1b8 * elf-bfd.h (struct elf_backend_data
<elf_backend_link_output_symbol_hook>): Return an int.
	* elf64-ppc.c (ppc64_elf_output_symbol_hook): Return 2 to drop
	symbols on deleted .opd entries.
	* elflink.c (elf_link_output_sym): Return without outputting sym
	if output_symbol_hook returns 2.
	(elf_link_output_extsym): Don't assign h->indx when symbol discarded.
	Abort if we must not discard sym.
	(elf_link_input_bfd): Similarly, don't set finfo->indices for
	local syms.
	(bfd_elf_final_link): Adjust elf_link_output_sym calls.
	* elf-vxworks.c (elf_vxworks_link_output_symbol_hook): Adjust for
	elf_backend_link_output_symbol_hook return type change.
	* elf32-arm.c (output_arch_syminfo): Likewise.
	(elf32_arm_output_map_sym, elf32_arm_output_stub_sym): Likewise.
	(elf32_arm_output_arch_local_syms): Likewise.
	* elf32-cr16c.c (elf32_cr16c_link_output_symbol_hook): Likewise.
	* elf32-score.c (s3_bfd_score_elf_link_output_symbol_hook): Likewise.
	(bfd_score_elf_link_output_symbol_hook): Likewise.
	* elf32-score.h (s7_bfd_score_elf_link_output_symbol_hook): Likewise.
	* elf32-score7.c (s7_bfd_score_elf_link_output_symbol_hook): Likewise.
	* elf32-sh64.c (sh64_elf_link_output_symbol_hook): Likewise.
	* elf32-spu.c (spu_elf_output_symbol_hook): Likewise.
	* elf32-v850.c (v850_elf_link_output_symbol_hook): Likewise.
	* elf64-hppa.c (elf64_hppa_link_output_symbol_hook): Likewise.
	* elf64-mmix.c (mmix_elf_link_output_symbol_hook): Likewise.
	* elf64-sh64.c (sh64_elf64_link_output_symbol_hook): Likewise.
	* elf64-sparc.c (elf64_sparc_output_arch_syms): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_link_output_symbol_hook): Likewise.
	* elfxx-mips.h (_bfd_mips_elf_link_output_symbol_hook): Likewise.
2009-05-21 14:15:50 +00:00
Alan Modra 5ef11c0214 * elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't segfault on
out of range .opd symbols.
2009-05-21 13:49:11 +00:00
Alan Modra ffcfec52d7 * elf64-ppc.c (synthetic_opd): Delete.
(compare_symbols): Look for .opd name rather than section match.
	(ppc64_elf_get_synthetic_symtab): Likewise.
2009-03-23 13:35:46 +00:00
Alan Modra 727fc41e07 include/elf/
* ppc.h (R_PPC_TLSGD, R_PPC_TLSLD): Add new relocs.
	* ppc64.h (R_PPC64_TLSGD, R_PPC64_TLSLD): Add new relocs.
bfd/
	* reloc.c (BFD_RELOC_PPC_TLSGD, BFD_RELOC_PPC_TLSLD): New.
	* section.c (struct bfd_section): Add has_tls_get_addr_call.
	(BFD_FAKE_SECTION): Init new flag.
	* ecoff.c (bfd_debug_section): Likewise.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* elf32-ppc.c (ppc_elf_howto_raw): Add R_PPC_TLSGD and R_PPC_TLSLD.
	(ppc_elf_reloc_type_lookup): Handle new relocs.
	(ppc_elf_check_relocs): Set has_tls_get_addr_call on finding such
	without marker relocs.
	(ppc_elf_tls_optimize): Allow out-of-order __tls_get_addr relocs
	if section has no old-style calls.
	(ppc_elf_relocate_section): Set tls_mask for non-tls relocs too.
	Don't try to optimize new-style __tls_get_addr call when handling
	arg setup relocs.  Instead do so for R_PPC_TLSGD and R_PPC_TLSLD
	relocs.
	* elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_TLSGD, R_PPC64_TLSLD.
	(ppc64_elf_reloc_type_lookup): Handle new relocs.
	(ppc64_elf_check_relocs): Set has_tls_get_addr_call on finding such
	without marker relocs.
	(ppc64_elf_tls_optimize): Allow out-of-order __tls_get_addr relocs
	if section has no old-style calls.  Set toc_ref for new relocs as
	appropriate.
	(ppc64_elf_relocate_section): Set tls_mask for non-tls relocs too.
	Don't try to optimize new-style __tls_get_addr call when handling
	arg setup relocs.  Instead do so for R_PPC_TLSGD and R_PPC_TLSLD
	relocs.
gas/
	* config/tc-ppc.c (ppc_elf_suffix): Error if ppc32 tls got relocs
	have non-zero addend.
	(md_assemble): Parse args of __tls_get_addr calls.
	(md_apply_fix): Handle BFD_RELOC_PPC_TLSGD and BFD_RELOC_PPC_TLSLD.
ld/testsuite/
	* ld-powerpc/tlsmark.s, * ld-powerpc/tlsmark.d: New test.
	* ld-powerpc/tlsmark32.s, * ld-powerpc/tlsmark32.d: New test.
	* ld-powerpc/powerpc.exp: Run them.
2009-03-04 05:50:50 +00:00
Alan Modra 3a71aa26df * elf64-ppc.c (struct _ppc64_elf_section_data): Delete t_symndx,
add toc.symndx and toc.add.
	(ppc64_elf_check_relocs): Don't set htab->tls_get_addr here.
	Set up toc.add.
	(get_tls_mask): Add toc_addend param, set from toc.add.  Adjust all
	callers.
	(ppc64_elf_tls_setup): Set htab->tls_get_addr and tls_get_addr_fd.
	(branch_reloc_hash_match): New function, extracted from..
	(ppc64_elf_tls_optimize): ..here.
	(ppc64_elf_relocate_section): Properly set addends when optimizing
	tls sequences.  Avoid unnecessary reading and writing of insns.
	Only redo reloc when symbol changed.  Bypass symbol checks when
	using tlsld_got.
	* elf32-ppc.c (ppc_elf_tls_setup): Correct comment.
	(branch_reloc_hash_match): New function, extracted from..
	(ppc_elf_tls_optimize): ..here.
	(ppc_elf_relocate_section): Avoid unnecessary reading of insns.
	Don't clear addend on zapped __tls_get_addr reloc.
2009-02-15 12:14:14 +00:00
Alan Modra df13162329 PR 7041
* elf64-ppc.c (func_desc_adjust): Correct logic making fake function
	descriptors.  Similarly correct making function descriptors dynamic.
2008-12-11 10:14:40 +00:00
Nick Clifton 83bac4b010 * elflink.c (is_reloc_section): New function. Returns true if the
given name matches the name of the reloc-containing section
        associated with the given section.
        (get_dynamic_reloc_section_name): New function.  Computes the name
        of the section that contains the dynamic relocs associated with
        the given section.
        (_bfd_elf_get_dynamic_reloc_section): New function.  Returns a
        pointer to the section containing the dynamic relocs associated
        with the given section.
        (_bfd_elf_make_dynamic_reloc_section): New function.  Creates a
        section to contain the dynamic relocs associated with a given
        section.
        * elf-bfd.h: Prototype the new functions.
        * elf-m10300.c (mn10300_elf_check_relocs): Use new functions.
        (mn10300_elf_final_link_relocs): Likewise.
        * elf32-arm.c (reloc_section_p): Delete - replaced by new
        functions.
        (elf32_arm_final_link_relocate): Use new functions.
        (elf32_arm_check_relocs): Likewise.
        * elf32-cris.c (cris_elf_relocate_section): Likewise.
        (elf_cris_check_relocs): Likewise.
        * elf32-hppa.c (elf32_hppa_check_relocs): Likewise.
        * elf32-i370.c (i370_elf_check_relocs): Likewise.
        (i370_elf_relocate_section): Likewise.
        * elf32-i386.c (elf_i386_check_relocs): Likewise.
        * elf32-m32r.c (m32r_elf_relocate_section): Likewise.
        (m32r_elf_check_relocs): Likewise.
        * elf32-m68k.c (elf_m68k_check_relocs): Likewise.
        * elf32_ppc.c (ppc_elf_check_relocs): Likewise.
        (ppc_elf_relocate_section): Likewise.
        * elf32-s390.c (elf_s390_check_relocs): Likewise.
        * elf32-sh.c (sh_elf_relocate_section): Likewise.
        (sh_elf_check_relocs): Likewise.
        * elf32-vax.c (elf_vax_check_relocs): Likewise.
        (elf_vax_relocate_section): Likewise.
        * elf64-alpha.c (elf64_alpha_check_relocs): Likewise.
        * elf64-ppc.c (ppc64_elf_check_relocs): Likewise.
        * elf64-s390.c (elf_s390_check_relocs): Likewise.
        * elf64-sh64.c (sh_elf64_relocate_section): Likewise.
        * elf64-x86-64.c (elf64_x86_64_check_relocs): Likewise.
        * elfxx-sparc.c (_bfd_sparc_elf_check_relocs): Likewise.
        * elf32-bfin.c (bfin_check_relocs): Remove redundant local
        variable 'sreloc'.
        (bfin_relocate_section): Likewise.
        * elf32-v850.c (v850_elf_check_relocs): Likewise.
2008-11-25 13:03:56 +00:00
Alan Modra 7d9616d756 * elf64-ppc.c (ppc64_elf_process_dot_syms): Renamed from
ppc64_elf_check_directives.
	* elf32-sh-symbian.c (sh_symbian_process_directives): Combine..
	(sh_symbian_check_directives): ..this
	(bfd_elf32_sh_symbian_process_directives) ..and this function.
2008-10-20 11:05:47 +00:00